[PATCH 05/11] drm/nouveau: switch over to the new pin interface
Christian König
ckoenig.leichtzumerken at gmail.com
Tue Sep 22 13:32:02 UTC 2020
Stop using TTM_PL_FLAG_NO_EVICT.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/nouveau/nouveau_bo.c | 48 +++++++-------------------
drivers/gpu/drm/nouveau/nouveau_bo.h | 3 --
drivers/gpu/drm/nouveau/nouveau_chan.c | 2 +-
3 files changed, 13 insertions(+), 40 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 2ee75646ad6f..bcae4514952f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -139,7 +139,7 @@ nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
struct drm_device *dev = drm->dev;
struct nouveau_bo *nvbo = nouveau_bo(bo);
- WARN_ON(nvbo->pin_refcnt > 0);
+ WARN_ON(nvbo->bo.pin_count > 0);
nouveau_bo_del_io_reserve_lru(bo);
nv10_bo_put_tile_region(dev, nvbo->tile, NULL);
@@ -417,9 +417,8 @@ nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t domain,
{
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct ttm_placement *pl = &nvbo->placement;
- uint32_t flags = (nvbo->force_coherent ? TTM_PL_FLAG_UNCACHED :
- TTM_PL_MASK_CACHING) |
- (nvbo->pin_refcnt ? TTM_PL_FLAG_NO_EVICT : 0);
+ uint32_t flags = nvbo->force_coherent ? TTM_PL_FLAG_UNCACHED :
+ TTM_PL_MASK_CACHING;
pl->placement = nvbo->placements;
set_placement_list(drm, nvbo->placements, &pl->num_placement,
@@ -453,7 +452,7 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
}
}
- if (nvbo->pin_refcnt) {
+ if (nvbo->bo.pin_count) {
bool error = evict;
switch (bo->mem.mem_type) {
@@ -472,7 +471,7 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
bo->mem.mem_type, domain);
ret = -EBUSY;
}
- nvbo->pin_refcnt++;
+ ttm_bo_pin(&nvbo->bo);
goto out;
}
@@ -483,18 +482,12 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
goto out;
}
- nvbo->pin_refcnt++;
nouveau_bo_placement_set(nvbo, domain, 0);
-
- /* drop pin_refcnt temporarily, so we don't trip the assertion
- * in nouveau_bo_move() that makes sure we're not trying to
- * move a pinned buffer
- */
- nvbo->pin_refcnt--;
ret = nouveau_bo_validate(nvbo, false, false);
if (ret)
goto out;
- nvbo->pin_refcnt++;
+
+ ttm_bo_pin(&nvbo->bo);
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
@@ -519,30 +512,14 @@ nouveau_bo_unpin(struct nouveau_bo *nvbo)
{
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct ttm_buffer_object *bo = &nvbo->bo;
- int ret, ref;
+ int ret;
ret = ttm_bo_reserve(bo, false, false, NULL);
if (ret)
return ret;
- ref = --nvbo->pin_refcnt;
- WARN_ON_ONCE(ref < 0);
- if (ref)
- goto out;
-
- switch (bo->mem.mem_type) {
- case TTM_PL_VRAM:
- nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, 0);
- break;
- case TTM_PL_TT:
- nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_GART, 0);
- break;
- default:
- break;
- }
-
- ret = nouveau_bo_validate(nvbo, false, false);
- if (ret == 0) {
+ ttm_bo_unpin(&nvbo->bo);
+ if (!nvbo->bo.pin_count) {
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
drm->gem.vram_available += bo->mem.size;
@@ -555,9 +532,8 @@ nouveau_bo_unpin(struct nouveau_bo *nvbo)
}
}
-out:
ttm_bo_unreserve(bo);
- return ret;
+ return 0;
}
int
@@ -1065,7 +1041,7 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict,
if (ret)
return ret;
- if (nvbo->pin_refcnt)
+ if (nvbo->bo.pin_count)
NV_WARN(drm, "Moving pinned object %p!\n", nvbo);
if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h
index 2a23c8207436..ff68ded8d590 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.h
@@ -40,9 +40,6 @@ struct nouveau_bo {
struct nouveau_drm_tile *tile;
- /* protect by the ttm reservation lock */
- int pin_refcnt;
-
struct ttm_bo_kmap_obj dma_buf_vmap;
};
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c
index 8f099601d2f2..5d191e58edf1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -107,7 +107,7 @@ nouveau_channel_del(struct nouveau_channel **pchan)
nvif_object_dtor(&chan->push.ctxdma);
nouveau_vma_del(&chan->push.vma);
nouveau_bo_unmap(chan->push.buffer);
- if (chan->push.buffer && chan->push.buffer->pin_refcnt)
+ if (chan->push.buffer && chan->push.buffer->bo.pin_count)
nouveau_bo_unpin(chan->push.buffer);
nouveau_bo_ref(NULL, &chan->push.buffer);
kfree(chan);
--
2.17.1
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